diff options
Diffstat (limited to 'man/systemd.network.xml')
| -rw-r--r-- | man/systemd.network.xml | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml index adfe1ac9b3..752a15a4e0 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -270,8 +270,10 @@ <term><varname>IPv6Token=</varname></term> <listitem> <para>An IPv6 address with the top 64 bits unset. When set, indicates the - 64-bit interface part of SLAAC IPv6 addresses for this link. By default, - it is autogenerated.</para> + 64-bit interface part of SLAAC IPv6 addresses for this link. Note that + the token is only ever used for SLAAC, and not for DHCPv6 addresses, even + in the case DHCP is requested by router advertisment. By default, the + token is autogenerated.</para> </listitem> </varlistentry> <varlistentry> @@ -335,18 +337,42 @@ <varlistentry> <term><varname>LLDP=</varname></term> <listitem> - <para>A boolean. When true, enables LLDP link receive support. + <para>Controls support for Ethernet LLDP packet reception. LLDP is a link-layer protocol commonly + implemented on professional routers and bridges which announces which physical port a system is connected + to, as well as other related data. Accepts a boolean or the special value + <literal>routers-only</literal>. When true, incoming LLDP packets are accepted and a database of all LLDP + neighbors maintained. If <literal>routers-only</literal> is set only LLDP data of various types of routers + is collected and LLDP data about other types of devices ignored (such as stations, telephones and + others). If false, LLDP reception is disabled. Defaults to <literal>routers-only</literal>. Use + <citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> to query the + collected neighbor data. LLDP is only available on Ethernet links. See <varname>EmitLLDP=</varname> below + for enabling LLDP packet emission from the local system. </para> </listitem> </varlistentry> <varlistentry> + <term><varname>EmitLLDP=</varname></term> + <listitem> + <para>Controls support for Ethernet LLDP packet emission. Accepts a boolean parameter and defaults to + false. If enabled a short LLDP packet with information about the local system is sent out in regular + intervals on the link. The LLDP packet will contain information about the local host name, the local + machine ID (as stored in + <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>) and the + local interface name, as well as the pretty hostname of the system (as set in + <citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>). LLDP + emission is only available on Ethernet links. Note that this setting passed data suitable for + identification of host to the network and should thus not be used on untrusted networks, where such + identification data should not be made available. Use this option to enable other systems to identify on + which interface they are connected to this system. See <varname>LLDP=</varname> above for an option to + enable LLDP reception.</para> + </listitem> + </varlistentry> + <varlistentry> <term><varname>BindCarrier=</varname></term> <listitem> - <para>A port or a list of ports. When set, controls the - behavior of the current interface. When all ports in the list - are in an operational down state, the current interface is brought - down. When at least one port has carrier, the current interface - is brought up. + <para>A link name or a list of link names. When set, controls the behavior of the current + link. When all links in the list are in an operational down state, the current link is brought + down. When at least one link has carrier, the current interface is brought up. </para> </listitem> </varlistentry> |